<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8" />
		<meta http-equiv="X-UA-Compatible" content="IE=edge" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
		<script src="./dep.js"></script>
		<script src="./watcher.js"></script>
		<script src="./compiler.js"></script>
		<script src="./observer.js"></script>
		<script src="./vue.js"></script>
		<title>demo</title>
	</head>
	<body>
		<div id="app">
		<span>{{msg}}</span>
		<input v-model="msg" />
		</div>
		
		<script>
			const vm = new Vue({
				el: "#app",
				data: {
					msg: "hello world",
					age: "18",					
				},
			});
		</script>
	</body>
</html>
